Oil from eateries powers Humvee

COURTESY LT. COL. MATTHEW GARNER

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Army Sgt. 1st Class Juan Silva stands next to a Humvee at Fort Shafter Flats that is being tested with a 20 percent biodiesel blend as the U.S. military attempts to reduce emissions, costs and dependence on foreign oil. On the hood are regular fuel, cooking oil and the biodiesel.